diff --git a/src/js/ui/circle.js b/src/js/ui/circle.js
index 391a6964..00fc2307 100644
--- a/src/js/ui/circle.js
+++ b/src/js/ui/circle.js
@@ -1,7 +1,12 @@
 var util2 = require('util2');
 var myutil = require('myutil');
+var Propable = require('ui/propable');
 var StageElement = require('ui/element');
 
+var accessorProps = [
+  'radius',
+];
+
 var defaults = {
   backgroundColor: 'white',
   borderColor: 'clear',
@@ -15,4 +20,6 @@ var Circle = function(elementDef) {
 
 util2.inherit(Circle, StageElement);
 
+Propable.makeAccessors(accessorProps, Circle.prototype);
+
 module.exports = Circle;